Herbicide label

GrazonPD3

GrazonPD3 (EPA 62719-655) is a Group 4 2,4-d and picloram herbicide labeled for 8 crops. The label lists 4 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“This product contains the active ingredients picloram and 2,4-D, both Group 4 synthetic auxin herbicides based upon the mode of action classification system of the Weed Science Society of America.”

— GrazonPD3 EPA label, Reg. No. 62719-655

GrazonPD3 label facts

Product GrazonPD3
EPA Reg. No. 62719-655
Registrant Corteva Agriscience
Active ingredient 2,4-d and picloram
MOA group 4

Crops on the GrazonPD3 label

GrazonPD3 is labeled for these 8 crops and uses, per the EPA label.

wheat
barley
sorghum
fallow
oats
cereal rye
sudangrass
durum wheat

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Weeds on the GrazonPD3 label

The GrazonPD3 label names 5 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.

Controls

full control4

bindweed, field
buckwheat, wild
thistle, canada
thistle, russian

Controls with a tank-mix partner

needs partner1

annual weeds

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GrazonPD3 rates and plant-back

The label answers both with a table, not a single number. Here is what drives each answer.

Application rate

Your rate depends on your crop.

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Plant-back and rotation

Your interval depends on your application rate, the rotational crop, and your state, region, and rainfall — some intervals differ in AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, and WY.

Get the interval for your rotation: build a program and FieldMarshal cites the exact plant-back for your rotational crop to the label line.

GrazonPD3 FAQ

What weeds does GrazonPD3 control?

The GrazonPD3 label names 5 weeds, including field bindweed, wild buckwheat, canada thistle, and russian thistle. Control varies by crop, rate, and timing.

What crops is GrazonPD3 labeled for?

GrazonPD3 is labeled for 8 crops and uses, including wheat, barley, sorghum, fallow, and oats.

What is the active ingredient in GrazonPD3? Is it a generic?

GrazonPD3's active ingredient is 2,4-d and picloram (MOA Group 4). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

What's the plant-back interval after GrazonPD3?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal cites the exact interval for your rotation to the label line, so you can verify it.

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Can I tank-mix GrazonPD3?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and cites the condition on each, so you can verify it.